Citizens band radio
Land mobile radio system

Citizens band radio is a land mobile radio system, a system allowing short-distance one-to-many bidirectional voice communication among individuals, using two-way radios operating near 27 MHz in the high frequency or shortwave band. Citizens band is distinct from other personal radio service allocations such as FRS, GMRS, MURS, UHF CB and the Amateur Radio Service. In many countries, CB operation does not require a license and may be used for business or personal communications.
The public source identifies “Citizens band radio” as land mobile radio system. This brief keeps that definition visible, then builds a research path around Citizens, band and radio.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Citizens band radio”, the useful work is to connect “land mobile radio system” to the records capable of establishing context and consequence.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 11, 2026.
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How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
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Three-step research path
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- Expand the search: follow Citizens band radio primary sources, Citizens band radio archive and Citizens research across catalogues and specialist indexes.
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Questions for further research
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This entry incorporates text from “Citizens band radio” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.